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Browse By Category Genus
Search Term Petitia
Search Type any
Synonyms YES
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Record Format
Scientific Name
Common Name
Family
Genus
Specimens
Photo(s)
Infraspecies
Infraspecies Author
Ecology
Native
Endemic
DEP
EPPC1
EPPC2
Global Rank Comment
Growth Habit
Nature Serve
NWI
Plant Notes
Species
Species Author
State Rank Comment
Status State
Status US
Taxon Notes
USDA Symbol
WAP
Accepted Name
TALL THISTLE
 
 
 
Y
N
 
N
N
 
 
 
 
 
altissimum
(L.)Spreng.
 
 
 
 
 
 
Accepted Name
PURPLE THISTLE; HORRID THISTLE
 
 
 
Y
N
 
N
N
 
 
 
FAC
 
horridulum
Michx.
 
 
 
 
 
 
Accepted Name
LECONTE'S THISTLE
 
 
 
Y
N
FACW
N
N
 
 
 
FACW
 
lecontei
Torr. & A.Gray
 
 
 
 
 
 
Accepted Name
SWAMP THISTLE
 
 
 
Y
N
OBL
N
N
 
 
 
OBL
 
muticum
Michx.
 
 
 
 
 
 
Accepted Name
NUTTALL'S THISTLE
 
 
 
Y
N
FACW
N
N
 
 
 
FAC
 
nuttallii
DC.
 
 
 
 
 
T
Accepted Name
VIRGINIA THISTLE
 
 
 
Y
N
 
N
N
 
 
 
OBL
 
virginianum
(L.)Michx.
 
 
 
 
 
 
Accepted Name
BULL THISTLE
 
 
 
N
N
 
N
N
 
 
 
FACU
 
vulgare
(Savi)Ten.
 
 
 
 
 
 
Accepted Name
HEMLOCK WATERPARSNIP
 
 
 
Y
N
OBL
N
N
 
 
 
OBL
 
suave
Walter